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Lead Generation Software Integrated with Shift4Shop (2026)

Last updated: April 2026

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Constant Contact logo

Constant Contact

Streamlines marketing to grow loyal audiences

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Constant Contact is a digital and email marketing platform that provides tools for creating, sending, and tracking email campaigns. The platform offers customizable email templates, AI writing assistance, and automation features to help businesses reach audience. Additionally, it includes social media marketing capabilities, SMS marketing, and multi-account solutions for organizations managing multiple locations or teams.

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User.com logo

User.com

The engine of growth. An all in one solution for user data.

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User.com is marketing automation platform aimed at boosting engagement and improving conversion by using a single data source for your customers, reaching them through a wide range of communication channels: email, live chat, chatbot, push notifications, and many more; all available in one place.

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OptiMonk logo

OptiMonk

Popups supercharged: stunning templates for email, SMS etc.

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OptiMonk is an all-in-one CRO toolset that provides popups, website personalization, and A/B testing. It is built for ecommerce marketers and agencies looking for quick and affordable solutions to boost the performance of their campaigns and landing pages.

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Klaviyo logo

Klaviyo

AI-enabled email marketing solution for B2C companies

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Klaviyo is the all-in-one platform built to help B2C companies grow by integrating email/ SMS marketing, full-funnel analytics, and service in one solution. Powered by customer data and built-in AI, Klaviyo makes it easy to scale marketing automation and personalization across all your channels.

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Drip logo

Drip

Drip is for SMB ecommerce brands on the grow.

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Drip helps online brands convert their website visitors into subscribers and customers using personalized forms and popups. Many conversion tools are made to target only new visitors. Drip solves that problem by helping brands convert each visitor, regardless of where they are in their journey.

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Justuno logo

Justuno

All-In-One Conversion Rate Optimization Suite for Marketers

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Justuno is a suite of conversion tools used to turn website traffic into email subscribers, sales, and social fans. Convert more of your visitors using lead capture pop-ups, exit promos, and timely on-site messaging. Justuno's CommerceAI includes AI product recommendations to supercharge conversions

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Keap logo

Keap

An all-in-one CRM, sales and marketing automation solution

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Step up to all-in-one sales & marketing solution designed for entrepreneurs, startups and larger teams. The platform organizes customer information and daily work in one place so teams have more time to focus on growing the business and delivering great service.

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Privy logo

Privy

Email list growth platform for marketers

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Privy helps you grow your email list and online sales through highly targeted banners, pop-ups, landing pages, conversion tracking & more.

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ViralSweep logo

ViralSweep

Run viral promotions to grow your email list and boost sales

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ViralSweep provides brands and agencies with the tools needed to build and run high-converting sweepstakes, contests, giveaways, competitions, instant wins, and referral campaigns.

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Mobile Text Alerts logo

Mobile Text Alerts

#1 SMS Marketing Service for Businesses

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Mobile Text Alerts helps businesses grow their sales through SMS marketing. Our online dashboard and mobile app allows users to send and receive mass text messages, manage subscribers, segment lists, engage in 2-way conversations, connect integrations and interact with messaging analytics.

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